Monthly climate guide
Arcachon weather in July
With highs near 24°C (75°F) and lows around 18°C (65°F), July feels warm in Arcachon. Rainfall averages about 42 mm (fairly dry) and the sky is a mix of sun and cloud. Daytime highs are 2°C warmer than June and about the same as August.
What stands out in July
- Rain is well below Arcachon's usual level (around 47% less).
- Seasonally, July counts as mid-summer in Arcachon.
- Just 50 km apart, but Arcachon runs about 3°C cooler than Bordeaux this month.
- Only one month is warmer in Arcachon than July.
Avg high
24°C
75°F
Avg low
18°C
65°F
Rainfall
42 mm
fairly dry
Humidity
75%
relative
Sky
53%
cloud · a mix of sun and cloud
Arcachon weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 11°C / 52°F | 7°C / 45°F | 120 mm | 84% | 80% |
| February | 11°C / 52°F | 6°C / 44°F | 88 mm | 82% | 71% |
| March | 14°C / 56°F | 8°C / 46°F | 76 mm | 80% | 67% |
| April | 16°C / 61°F | 10°C / 50°F | 75 mm | 78% | 63% |
| May | 18°C / 65°F | 13°C / 55°F | 79 mm | 78% | 64% |
| June | 22°C / 71°F | 16°C / 61°F | 74 mm | 77% | 62% |
| July | 24°C / 75°F | 18°C / 65°F | 42 mm | 75% | 53% |
| August | 25°C / 76°F | 18°C / 65°F | 40 mm | 74% | 54% |
| September | 23°C / 73°F | 17°C / 62°F | 50 mm | 73% | 55% |
| October | 19°C / 67°F | 14°C / 57°F | 76 mm | 78% | 64% |
| November | 15°C / 59°F | 11°C / 51°F | 121 mm | 82% | 74% |
| December | 13°C / 55°F | 9°C / 47°F | 116 mm | 84% | 76% |
What to pack for July
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A small travel umbrella, just in case
Is July a good time to visit Arcachon?
Compare the months in the chart above to find your ideal window.
Best time to visit Arcachon →Other France cities in July
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Arcachon weather in July. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/france/arcachon/july
<a href="https://weathercompare.eu/weather/france/arcachon/july">Arcachon weather in July</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/france/arcachon" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Arcachon weather in July"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/france/arcachon/july">Arcachon weather in July</a> – WeatherCompare</p>
Arcachon in July: quick answers
Is July a good time to visit Arcachon?
Yes. July is one of the best months for Arcachon, with highs around 24°C and about 42 mm of rain.
How warm is Arcachon in July?
Average highs are about 24°C (75°F) and average lows about 18°C (65°F), based on 10 years of daily data.
Does it rain a lot in Arcachon in July?
Arcachon typically gets around 42 mm of rain in July — fairly dry.
Figures are long-term averages for the area around Arcachon (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.